Finding the Fourth Proportional to 221,622,998.66, 305,870,119.08 and 127,535,211.44
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Solution
The fourth proportional to 221,622,998.66, 305,870,119.08 and 127,535,211.44 is: 176,016,074.80
Step by Step Solution
- Step 1: Write the proportion equation
221,622,998.66 : 305,870,119.08 = 127,535,211.44 : x - Step 2: Convert to fraction form
221,622,998.66/305,870,119.08 = 127,535,211.44/x - Step 3: Cross multiply
221,622,998.66x = 305,870,119.08 × 127,535,211.44 - Step 4: Simplify right side
221,622,998.66x = 39,009,210,310,045,776 - Step 5: Solve for x
x = 39,009,210,310,045,776/221,622,998.66 - Step 6: Final answer
x = 176,016,074.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.